Pammie123cakess
Pammie123cakess
04-06-2014
Mathematics
contestada
how do I solve (3+i)(3-i)
Respuesta :
kate200468
kate200468
04-06-2014
[tex] (3+i)(3-i)=3(3-i)+i(3-i)=9-3i+3i-i^2=9-(-1)=\\\\=9+1=10[/tex]
Answer Link
kayt91
kayt91
05-06-2014
(3+I)(3-1)
-i^2+9=0
-I^2=-9
I^2=9
i= + or - 3
Answer Link
VER TODAS LAS RESPUESTAS ( 64+ )
Otras preguntas
HELP PLEASE I NEED IT ASAP IT WILL MEAN A LOT TO ME!! PLEASE Find all values of x that solves this system. x^2 - 9y^2 = 72 x + 3y = 9 Please dont make cap i rll
14 The straight line, L, has the equation y = 5 - 2x Write down (a) the co-ordinates of the point where the line crosses the y-axis, Answer
Are there many people affected by healthcare (point)
By calling Old Ironsides the “eagle of the sea” in the poem’s second stanza, Holmes uses A. Hyperbole to exaggerate the importance of the ship to the United St
3 facts about Haiti in the 1700s
Which of the following surface will absorb radiant heat energy best A. WhiteB. RedC. YellowD. BlackE. Blue
Here is a mindful calming reflection: Despite staying indoors during the pandemic, what outdoor activities can you still do indoors?
compute the electric field experienced by a test a charge q = +0.08µC from a source charge q = +15µC in a vacuum when the test charge is placed 0.02 m away from
Identify the hypothesis of the statement.If AB is a segment, then it has two endpoints. A. AB is a segment. B. If AB is a segment. C.The segment has two endpoin
1. Identify the type of noun underlined in the sentence. Using solar energy may be a good -option- for some new buildings. a. abstract noun c. proper noun b. co
